diff --git a/tests/playTests.sh b/tests/playTests.sh
index c4b1489b7..65c661e17 100755
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -59,8 +59,8 @@ fi
 isWindows=false
 INTOVOID="/dev/null"
 case "$UNAME" in
-  OpenBSD) DEVDEVICE="/dev/zero" ;;
-  *) DEVDEVICE="/dev/random" ;;
+  GNU) DEVDEVICE="/dev/random" ;;
+  *) DEVDEVICE="/dev/zero" ;;
 esac
 case "$OS" in
   Windows*)